Well, I've been collecting since 1952, and I try to learn something new every day. Welcome to the club!
I think there were as I found a lot that were looking almost matte rather than metallic and all have smooth rims and off marked rim edging I’d O/R sides.
Welcome to the forum. You are replying to someone who hasn't been here for 9 years. Maybe post an image of yours and we can tell you what it is.